diff options
Diffstat (limited to 'src/imports/multimedia/qdeclarativeaudio.cpp')
| -rw-r--r-- | src/imports/multimedia/qdeclarativeaudio.cpp | 204 |
1 files changed, 201 insertions, 3 deletions
diff --git a/src/imports/multimedia/qdeclarativeaudio.cpp b/src/imports/multimedia/qdeclarativeaudio.cpp index 540ed6464..7decc4f19 100644 --- a/src/imports/multimedia/qdeclarativeaudio.cpp +++ b/src/imports/multimedia/qdeclarativeaudio.cpp @@ -42,9 +42,11 @@ #include <qmetadatareadercontrol.h> #include <qmediaavailabilitycontrol.h> +#include "qdeclarativeplaylist_p.h" #include "qdeclarativemediametadata_p.h" #include <QTimerEvent> +#include <QtQml/qqmlengine.h> QT_BEGIN_NAMESPACE @@ -94,16 +96,19 @@ void QDeclarativeAudio::_q_availabilityChanged(QMultimedia::AvailabilityStatus) QDeclarativeAudio::QDeclarativeAudio(QObject *parent) : QObject(parent) + , m_playlist(0) , m_autoPlay(false) , m_autoLoad(true) , m_loaded(false) , m_muted(false) , m_complete(false) + , m_emitPlaylistChanged(false) , m_loopCount(1) , m_runningCount(0) , m_position(0) , m_vol(1.0) , m_playbackRate(1.0) + , m_audioRole(UnknownRole) , m_playbackState(QMediaPlayer::StoppedState) , m_status(QMediaPlayer::NoMedia) , m_error(QMediaPlayer::ServiceMissingError) @@ -144,11 +149,122 @@ QDeclarativeAudio::Availability QDeclarativeAudio::availability() const return Availability(m_player->availability()); } +/*! + \qmlproperty enumeration QtMultimedia::Audio::audioRole + + This property holds the role of the audio stream. It can be set to specify the type of audio + being played, allowing the system to make appropriate decisions when it comes to volume, + routing or post-processing. + + The audio role must be set before setting the source property. + + Supported values can be retrieved with supportedAudioRoles(). + + The value can be one of: + \list + \li UnknownRole - the role is unknown or undefined. + \li MusicRole - music. + \li VideoRole - soundtrack from a movie or a video. + \li VoiceCommunicationRole - voice communications, such as telephony. + \li AlarmRole - alarm. + \li NotificationRole - notification, such as an incoming e-mail or a chat request. + \li RingtoneRole - ringtone. + \li AccessibilityRole - for accessibility, such as with a screen reader. + \li SonificationRole - sonification, such as with user interface sounds. + \li GameRole - game audio. + \endlist + + \since 5.6 +*/ +QDeclarativeAudio::AudioRole QDeclarativeAudio::audioRole() const +{ + return !m_complete ? m_audioRole : AudioRole(m_player->audioRole()); +} + +void QDeclarativeAudio::setAudioRole(QDeclarativeAudio::AudioRole audioRole) +{ + if (this->audioRole() == audioRole) + return; + + if (m_complete) { + m_player->setAudioRole(QAudio::Role(audioRole)); + } else { + m_audioRole = audioRole; + emit audioRoleChanged(); + } +} + +/*! + \qmlmethod list<int> QtMultimedia::Audio::supportedAudioRoles() + + Returns a list of supported audio roles. + + If setting the audio role is not supported, an empty list is returned. + + \since 5.6 + \sa audioRole +*/ +QJSValue QDeclarativeAudio::supportedAudioRoles() const +{ + QJSEngine *engine = qmlEngine(this); + + if (!m_complete) + return engine->newArray(); + + QList<QAudio::Role> roles = m_player->supportedAudioRoles(); + int size = roles.size(); + + QJSValue result = engine->newArray(size); + for (int i = 0; i < size; ++i) + result.setProperty(i, roles.at(i)); + + return result; +} + QUrl QDeclarativeAudio::source() const { return m_source; } +QDeclarativePlaylist *QDeclarativeAudio::playlist() const +{ + return m_playlist; +} + +void QDeclarativeAudio::setPlaylist(QDeclarativePlaylist *playlist) +{ + if (playlist == m_playlist && m_source.isEmpty()) + return; + + if (!m_source.isEmpty()) { + m_source.clear(); + emit sourceChanged(); + } + + m_playlist = playlist; + m_content = m_playlist ? + QMediaContent(m_playlist->mediaPlaylist(), QUrl(), false) : QMediaContent(); + m_loaded = false; + if (m_complete && (m_autoLoad || m_content.isNull() || m_autoPlay)) { + if (m_error != QMediaPlayer::ServiceMissingError && m_error != QMediaPlayer::NoError) { + m_error = QMediaPlayer::NoError; + m_errorString = QString(); + + emit errorChanged(); + } + + if (!playlist) + m_emitPlaylistChanged = true; + m_player->setMedia(m_content, 0); + m_loaded = true; + } + else + emit playlistChanged(); + + if (m_autoPlay) + m_player->play(); +} + bool QDeclarativeAudio::autoPlay() const { return m_autoPlay; @@ -166,9 +282,14 @@ void QDeclarativeAudio::setAutoPlay(bool autoplay) void QDeclarativeAudio::setSource(const QUrl &url) { - if (url == m_source) + if (url == m_source && m_playlist == NULL) return; + if (m_playlist) { + m_playlist = NULL; + emit playlistChanged(); + } + m_source = url; m_content = m_source.isEmpty() ? QMediaContent() : m_source; m_loaded = false; @@ -425,6 +546,18 @@ void QDeclarativeAudio::seek(int position) \qmlproperty url QtMultimedia::Audio::source This property holds the source URL of the media. + + Setting the \l source property clears the current \l playlist, if any. +*/ + +/*! + \qmlproperty Playlist QtMultimedia::Audio::playlist + + This property holds the playlist used by the media player. + + Setting the \l playlist property resets the \l source to an empty string. + + \since 5.6 */ /*! @@ -650,8 +783,8 @@ void QDeclarativeAudio::classBegin() this, SLOT(_q_statusChanged())); connect(m_player, SIGNAL(mediaStatusChanged(QMediaPlayer::MediaStatus)), this, SLOT(_q_statusChanged())); - connect(m_player, SIGNAL(mediaChanged(QMediaContent)), - this, SIGNAL(sourceChanged())); + connect(m_player, SIGNAL(mediaChanged(const QMediaContent&)), + this, SLOT(_q_mediaChanged(const QMediaContent&))); connect(m_player, SIGNAL(durationChanged(qint64)), this, SIGNAL(durationChanged())); connect(m_player, SIGNAL(positionChanged(qint64)), @@ -672,6 +805,8 @@ void QDeclarativeAudio::classBegin() this, SIGNAL(hasAudioChanged())); connect(m_player, SIGNAL(videoAvailableChanged(bool)), this, SIGNAL(hasVideoChanged())); + connect(m_player, SIGNAL(audioRoleChanged(QAudio::Role)), + this, SIGNAL(audioRoleChanged())); m_error = m_player->availability() == QMultimedia::ServiceMissing ? QMediaPlayer::ServiceMissingError : QMediaPlayer::NoError; @@ -694,6 +829,8 @@ void QDeclarativeAudio::componentComplete() m_player->setMuted(m_muted); if (!qFuzzyCompare(m_playbackRate, qreal(1.0))) m_player->setPlaybackRate(m_playbackRate); + if (m_audioRole != UnknownRole) + m_player->setAudioRole(QAudio::Role(m_audioRole)); if (!m_content.isNull() && (m_autoLoad || m_autoPlay)) { m_player->setMedia(m_content, 0); @@ -752,6 +889,16 @@ void QDeclarativeAudio::_q_statusChanged() } } +void QDeclarativeAudio::_q_mediaChanged(const QMediaContent &media) +{ + if (!media.playlist() && !m_emitPlaylistChanged) { + emit sourceChanged(); + } else { + m_emitPlaylistChanged = false; + emit playlistChanged(); + } +} + /*! \qmlproperty string QtMultimedia::Audio::errorString @@ -965,6 +1112,45 @@ void QDeclarativeAudio::_q_statusChanged() */ /*! + \qmlproperty enumeration QtMultimedia::MediaPlayer::audioRole + + This property holds the role of the audio stream. It can be set to specify the type of audio + being played, allowing the system to make appropriate decisions when it comes to volume, + routing or post-processing. + + The audio role must be set before setting the source property. + + Supported values can be retrieved with supportedAudioRoles(). + + The value can be one of: + \list + \li UnknownRole - the role is unknown or undefined. + \li MusicRole - music. + \li VideoRole - soundtrack from a movie or a video. + \li VoiceCommunicationRole - voice communications, such as telephony. + \li AlarmRole - alarm. + \li NotificationRole - notification, such as an incoming e-mail or a chat request. + \li RingtoneRole - ringtone. + \li AccessibilityRole - for accessibility, such as with a screen reader. + \li SonificationRole - sonification, such as with user interface sounds. + \li GameRole - game audio. + \endlist + + \since 5.6 +*/ + +/*! + \qmlmethod list<int> QtMultimedia::MediaPlayer::supportedAudioRoles() + + Returns a list of supported audio roles. + + If setting the audio role is not supported, an empty list is returned. + + \since 5.6 + \sa audioRole +*/ + +/*! \qmlmethod QtMultimedia::MediaPlayer::play() Starts playback of the media. @@ -992,6 +1178,18 @@ void QDeclarativeAudio::_q_statusChanged() \qmlproperty url QtMultimedia::MediaPlayer::source This property holds the source URL of the media. + + Setting the \l source property clears the current \l playlist, if any. +*/ + +/*! + \qmlproperty Playlist QtMultimedia::MediaPlayer::playlist + + This property holds the playlist used by the media player. + + Setting the \l playlist property resets the \l source to an empty string. + + \since 5.6 */ /*! |